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Mounted Bandpass Colored Glass Filters


  • Mounted Ø25 mm Filters
  • Bandpass Filters for the UV, Visible, or IR
  • Selection Available in Kit

FGUV5M

FGB25M

FGB37M

FGB67M

Mounted in TRF90
Lockable Flip Mount

Related Items


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General Specifications
Material Schott® Colored Glass
Diameter 25 mm
Clear Aperture 80% of Diameter
Thickness 2 mm
Thickness Tolerance +0.0 mm/-0.4 mm
Surface Quality 40-20 Scratch-Dig
Surface Flatness <λ @ 633 nm
Wedge <3 arcmin

Features

  • Bandpass Regions Between 240 and 1375 nm
  • Ø25 mm Filters
  • SM1-Threaded Mount, Engraved with Item # and Description
  • Broadband Counterpart to Thin Film Dielectric Filters
  • Kit Includes Selected Bandpass and Longpass Filters

Thorlabs' Mounted Bandpass Colored Glass Filters are manufactured from different colors of Schott® glass and are intended for use in a wide variety of applications. The SM1-mounted (1.035"-40), Ø25 mm filters will thread into our manual or motorized filter wheels or any of our lens tube accessories. The housing is engraved with the Item # and intended wavelength range for easy identification. If the bandpass filter you require is not listed here, it may be available in an unmounted version.

Several of the colored glasses used for our filters are fluorescent at certain wavelengths; for more details on how this may affect certain applications, contact Technical Support. For narrowband sources, we recommend our dielectric bandpass filters.

Colored Glass Filter Kit
Thorlabs offers a boxed filter kit containing a selection of our most popular bandpass and longpass filters. For the specific filters included in the kit, please see the presentation at the bottom of this webpage.

Storage Box
If you need a safe, convenient place to store loose filters, consider our KT01 Storage Box, a lockable foam case that holds up to ten filters. Please see below for more information.

Colored Glass Selection Guide
Bandpass Longpass Color-Temperature-Balancing
Mounted Unmounted AR Coated Mounted Unmounted Mounted and Unmounted

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Ø25 mm Mounted Bandpass Filters

Item #
(Click for Photo)
Transmission
Dataa
Bandpass Region Schott®
Glass #
FGUVM info 325 - 385 nm UG1
FGB37M info 335 - 610 nm BG40
FGB67M info 900 - 1375 nm BG36
  • Click on  for a plot and downloadable data.
Item #
(Click for Photo)
Transmission
Dataa
Bandpass Region Schott®
Glass #
FGUV5M info 240 - 395 nm UG5
FGUV11M info 275 - 375 nm UG11
FGB25M info 315 - 445 nm
715 - 1095 nm
BG3
FGS900M info 315 - 710 nm KG3
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
FGUV5M Support Documentation
FGUV5MØ25 mm UG5 Colored Glass UV-Passing Filter, SM1-Threaded Mount
$88.25
Today
FGUV11M Support Documentation
FGUV11MØ25 mm UG11 Colored Glass UV-Passing Filter, SM1-Threaded Mount
$88.25
Today
FGB25M Support Documentation
FGB25MØ25 mm BG3 Colored Glass Bandpass Filter, SM1-Threaded Mount
$50.25
Today
FGS900M Support Documentation
FGS900MØ25 mm KG3 Colored Glass Bandpass Filter, SM1-Threaded Mount
$50.25
Today
FGUVM Support Documentation
FGUVMØ25 mm UG1 Colored Glass Bandpass Filter, SM1-Threaded Mount
$50.25
Today
FGB37M Support Documentation
FGB37MØ25 mm BG40 Colored Glass Bandpass Filter, SM1-Threaded Mount
$64.25
Today
FGB67M Support Documentation
FGB67MØ25 mm BG36 Colored Glass Bandpass Filter, SM1-Threaded Mount
$50.25
Today

Colored Filter Kit

FGK01 Contents Bandpass Region
or Cut-On Wavelength
FGS900M 315 - 710 nm
FGB37M 335 - 610 nm
FGUVM 325 - 385 nm
FGL400M 400 nm
FGL495M 495 nm
FGL550M 550 nm
FGL610M 610 nm
FGL715M 715 nm
FGL780M 780 nm
FGL850M 850 nm

The FGK01 Colored Glass Filter Kit contains ten of our most popular Ø25 mm round colored glass filters: three from our bandpass family, and seven from our longpass family. They are premounted in an SM1L03 lens tube that is engraved with the Item # and bandpass region (for bandpass filters) or cut-on wavelength (for longpass filters), and ship in a box with labeled slots to aid organization. To purchase an unlabeled storage box separately, please see below.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
FGK01 Support Documentation
FGK01Ø25 mm Round Colored Glass Filter Kit, Mounted in SM1 Lens Tubes
$433.00
Today

Filter Storage Box

If you purchase individual filters and would like to have a safe, convenient place to store them when not in use, consider our KT01 Storage Box. The KT01 is designed to hold up to ten mounted Ø25 mm round filters.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
KT01 Support Documentation
KT01Storage Box for Mounted Ø1" (25 mm) Round Optics (Max. Capacity: 10)
$88.50
3-5 Days
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